# Trigonometry:Angles of Elevation and Depression

Due to a storm, a pilot flying at an altitude of 528 feet has to land early. If he has a horizontal distance of 2000 feet to land, at what angle of depression should he land?

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1. what is arctan 528/2000 ?

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2. What does arctan mean?

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posted by A.J
3. what is the height of a 15 degree angle over 4 feet

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4. dss

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5. 1.0352 feet(height)

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posted by Marvin
6. Carlos is making some observations from the roof of a building. Which angle is the angle of elevation from Carlos to the helicopter?

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posted by Elly, M
7. <pik because it horizontal line is the ground and the estended line of site is raising

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posted by jahbari
8. a man (2 m high) on a cliff sees a boat out to sea at an angle of depression of 8 degrees. if the cliff is 500 meters high, how far is the boat from the cliff?

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9. from a point on the ground 12m from a house, the angle of elevation of the top and.bottom of a TV antenna was found to be 51° and 42° respectively. How tall is the antenna

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posted by jerald
10. Carlos is making some observations from the roof of a building. Which angle is the angle of depression from Carlos to the car?

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posted by Ali
11. the angle of elevation at the foot of a mountain was 51 degrees. From that point, a distance of 1900 ft was measured and found that the angle of elevation was 38 degrees. What was the height of the mountain?

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posted by tinette
12. Yolo

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13. An airplane is appropriacating a straight line and at a constant
altitude Height at 10:00 am the angles of elevation is 20 Degree
and 10:01 am it is 60 Degree What is the Altitude height of the plane if is
constant and Equal to 600 miles per hour.?

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posted by Dred

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